/**
 * Tencent is pleased to support the open source community by making Tars available.
 *
 * Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
 *
 * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * https://opensource.org/licenses/BSD-3-Clause
 *
 * Unless required by applicable law or agreed to in writing, software distributed
 * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
 * CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
package com.tencent.logback.logserver.keying;

import ch.qos.logback.classic.spi.ILoggingEvent;

import java.nio.ByteBuffer;

public class LoggerNameKeyingStrategy implements KeyingStrategy<ILoggingEvent> {

    @Override
    public byte[] createKey(ILoggingEvent e) {
        final String loggerName;
        if (e.getLoggerName() == null) {
            loggerName = "";
        } else {
            loggerName = e.getLoggerName();
        }
        return ByteBuffer.allocate(4).putInt(loggerName.hashCode()).array();
    }

}
